but china, north korea's biggest supporter says, a moderation is needed to avoid further escalation. >>> secretary of state hillary clinton can expect some pretty tough questions about the deadly september attack in libya when she appears before a house committee a week from today. it could be her final appearance, in fact, on capitol hill, before officially leaving the administration. after being named one of the year's most fascinating people by our own barbara walters last night, clinton talked about her future, specifically that much-speculated run for president. >> i've said i really don't believe that that's something i will do again. i am so grateful i had the experience of doing it before. but you know, i think there are lots of ways to serve. so, i will continue to serve. >> asked what it would take to convince her to become a candidate, clinton said, clearly, she had no intention of running. but we've heard that from politicians before. >> that's what they do. >>> and 12-12-12 proved to be a night to remember. ♪ baby we were born to run >> running and raising a lot of mon